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Individual Calculations September 2010 |
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| Souza, Marcos Valerio A Total change: -3.90 | |   |
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| Aberto do Brasil - etapa Recife | Recife/PE | BRA | 2010-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2133 | 2.50 | 4 | 0.54 | 15 | 8.10 | |
|  Barreto Filho, Carlos Alberto | f | | 2345 | BRA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Silveira, Antonio Mendonca | | | 1794 | BRA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Nogueira, Ivan Kuhlmann | f | | 2324 | BRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Rodrigues, Nei Jorge | | | 2064 | BRA | 1.00 | 1 | 0.40 | 15 | 6.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | I IRT Memorial Miguel Najdorf 2010 | Joao Pessoa/PB | BRA | 2010-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 2133 | 4.50 | 7 | -0.61 | 15 | -9.15 | |
| | Goncalves, Dacio Lima | | | 1733 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Rodrigues Da Silva, Evandro | | | 2202 | BRA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Wanderley, Ariano | | | 1962 | BRA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Alves De Medeiros, Jovany | | | 2008 | BRA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | De Souza, Arthur Olintho | | | 2001 | BRA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Melo, Fernando Antonio Albuquer | | | 1846 | BRA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | De Lima, Daniel Meira Nobrega | | | 1812 | BRA | 0.50 | 1 | -0.37 | 15 | -5.55 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | II Campeonato Paraibano Aberto Absoluto 2010 | Joao Pessoa/PB | BRA | 2010-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2133 | 1.00 | 3 | -0.19 | 15 | -2.85 | |
| | De Lira Machado, Alexandre Henriq | | | 2125 | BRA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Cavalcanti, Francisco De Assis | f | | 2274 | BRA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Silveira Filho, Neri Da Silva | | | 2229 | BRA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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